AVISTA CORP — Director's Dealing 2026

Jan 8, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AVISTA CORP (AVA)
CIK: 0000104918
Period of Report: 2026-01-06

Reporting Person: Thackston Jason R (Senior Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-06	Common Stock	F	1352	$38.95	Disposed	40089	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-06	Conversion of 2023 Performance Shares (TSR)	$	M	1710	Disposed		Common Stock (1710)	Direct

Footnotes

F1: Shares sold to pay income tax on final 1/3 of 2023, second 1/3 of 2024 and first 1/3 of 2025 restricted shares that vested on January 6, 2026.

F2: No conversion price. Shares awarded if performance measure is met.